10157257 has 4 divisors (see below), whose sum is σ = 11080656. Its totient is φ = 9233860.

The previous prime is 10157239. The next prime is 10157269. The reversal of 10157257 is 75275101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10157257 - 2¹⁵ = 10124489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10157227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461683 + ... + 461704.

It is an arithmetic number, because the mean of its divisors is an integer number (2770164).

Almost surely, 2^10157257 is an apocalyptic number.

It is an amenable number.

10157257 is a deficient number, since it is larger than the sum of its proper divisors (923399).

10157257 is an equidigital number, since it uses as much as digits as its factorization.

10157257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923398.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 10157257 is about 3187.0451832379. The cubic root of 10157257 is about 216.5669334548.

The spelling of 10157257 in words is "ten million, one hundred fifty-seven thousand, two hundred fifty-seven".